Larry Sromovsky from the University of Madison Wisconsin alerts that a very bright feature has appeared on Uranus. Detailed observations from the Gemini 8-m telescope show this feature at least 3 times brighter than the background of Uranus disk. If this is a convectively driven white feature it m...
The Gossamer Condor was the first human-powered aircraft capable of controlled and sustained flight. The aircraft, piloted by amateur cyclist and hang-glider pilot Bryan Allen, won the first Kremer prize on August 23, 1977 by completing a figure-eight course specified by the Royal Aeronautica...
Title: Spitzer Observations of Young Red Quasars Authors: Tanya Urrutia, Mark Lacy, Henrik Spoon, Eilat Glikman, Andreea Petric, Bernhard Schulz We present mid-infrared spectra and photometry of thirteen redshift 0.4<z<1 dust-reddened quasars obtained with Spitzer IRS and MIPS. We c...
Title: Mars surface phase function constrained by orbital observations Authors: Mathieu Vincendon The photometric properties of the surface of Mars describe how remote measurements of surface reflectance can be linked to hemispherical albedo used for energy balance calculations. A simple L...
Title: Galaxy And Mass Assembly (GAMA): In Search of Milky-Way Magellanic Cloud Analogues Authors: A.S.G. Robotham, I.K. Baldry, J. Bland-Hawthorn, S.P. Driver, J. Loveday, P. Norberg, A.E. Bauer, K. Bekki, S. Brough, M. Brown, A.W. Graham, A.M. Hopkins, S. Phillipps, C. Power, A. Sansom, L. St...
Title: The rotation and coma profiles of comet C/2004 Q2 (Machholz) Authors: Maarten Reyniers, Pieter Degroote, Dennis Bodewits, Jan Cuypers, Christoffel Waelkens Aims. Rotation periods of cometary nuclei are scarce, though important when studying the nature and origin of these objects. Our...
Title: Multisite spectroscopic seismic study of the beta Cep star V2052 Oph: inhibition of mixing by its magnetic field Authors: M. Briquet, C. Neiner, C. Aerts, T. Morel, S. Mathis, D.R. Reese, H. Lehmann, R. Costero, J. Echevarria, G. Handler, E. Kambe, R. Hirata, S. Masuda, D. Wright, S. Yang, O....
Sir William Wallace (Medieval Gaelic: Uilliam Uallas; modern Scottish Gaelic: Uilleam Uallas; died 23 August 1305) was a Scottish knight and landowner who became one of the main leaders during the Wars of Scottish Independence. Read more Expand (354kb, 1024 x 768) Expand (306kb, 1024 x 768) Expan...
Sarah Frances Whiting (August 23, 1847 - September 12, 1927), American physicist and astronomer, was the instructor to several astronomers, including Annie Jump Cannon. Read more
Lev Matveevich Zeleny (born August 23, 1948) is Soviet and Russian physicist. He is currently serving as director of the Space Research Institute of the Russian Academy of Sciences (IKI) since 2002. Read more
Pictures from the mid-1960s Lunar Orbiter program lay forgotten for decades. But one woman was determined to see them restored. Rising over the battered surface of the moon, Earth loomed in a shimmering arc covered in a swirling skin of clouds. The image, taken in 1966 by NASA's robotic probe Lunar O...
On 23 August 1921, ZR-2 rigid airship was destroyed by a structural failure while in flight over the city of Hull and crashed into the Humber estuary, killing 44 out of the 49 crew aboard. Read more
The Battle of Stalingrad was a major and decisive battle of World War II in which Nazi Germany and its allies fought the Soviet Union for control of the city of Stalingrad (now Volgograd) in southwestern Russia. The battle took place between 23 August 1942 to 2 February 1943 and was marked by brutality...
Qixi Festival (literally "The Night of Sevens"), also known as Magpie Festival, falls on the seventh day of the seventh lunar month on the Chinese calendar; thus its name. It has sometimes been called Chinese Valentine's Day since the late 1990s, which is, strictly speaking, an inaccur...
Vulcan (Latin: Vulcanus), aka Mulciber, is the god of beneficial and hindering fire, including the fire of volcanoes in ancient Roman religion and Roman Neopaganism. Vulcan is usually depicted with a thunderbolt. He is known as Sethlans in Etruscan mythology. He was worshipped at an annual festi...
